NICHOLS AND HULL. — PRESSURE DUE TO RADIATION. 



593 



TABLE 

 October 31, 1902. Reflection 



IX. 



Coefficient of Dg. Air. 



G, 



Zero. 



R 350.0 



349.0 

 D 349.5 



350.0 

 R 346.0 



347.0 

 D 348.5 



348.5 

 R 345.0 



345.0 

 D 346.0 



346.0 

 R 844.0 



344.5 

 D 346.0 



346.0 

 R 342.0 



342.0 

 D 347.0 



347.0 

 R 341.5 



341.0 



Turning 

 Point. 



159.5 

 162.0 

 100.5 

 111.5 

 177.0 

 171.0 

 123.0 

 120.0 

 172.0 

 171.0 

 132.0 

 124.0 

 173.0 

 171.0 

 119.0 

 117.5 

 174.0 

 170.5 

 130.0 

 134.0 

 174.5 

 173.0 



Deflect. 



190.5 

 197.0 

 249.0 

 238.5 

 169.0 

 176.0 

 225.5 

 228.5 

 173.0 

 174.0 

 214.0 

 221.0 

 171.0 

 173.5 

 227.0 

 228.5 

 168.0 

 171.5 

 217.0 

 213.0 

 1G7.0 

 168.0 



Lamp. 



132.6 



139.3 



136.8 



130.5 



119.3 



124.4 



124.0 



125.0 



122.6 



124.0 



115.5? 



120.7 



120.7 



122.6 



125.3 



126.0 



118.0 



122.0 



119.0 



116.7 



118.0 



119.0 



reduced to 

 Standard 



143.8 

 141.3 

 182.1 

 183.0 

 141.2 

 141.7 

 181.8 

 183.0 

 141.0 

 140.3 



183.0 

 141.8 

 141.6 

 181.0 

 181.3 

 142.3 

 140.8 

 182.3 

 182.7 

 141.3 

 141.1 



Averages. 



142.5 



182.5 



141.5 



182.4 \ 



140.6 



183.0 



141.7 



181.2 



141.5 



182.5 



141.2 



Alternate 

 Averages. 



142.0 



- 182.5 



141.1 



182.7 



141.2 



182.1 



141.6 



181.8 



141.4 



Reflect'n 

 Coeffi't. 



.779 



.775 



.773 



.770 



.773 



.778 



.781 



.780 



.775 



Average 0.776 



VOL. XXXVIII. 



38 



